<template>
    <div class="top">
        <div class="left">
            <span class="lbtn" @click="$router.push('/')">首页</span>
        </div>
        <div class="center">
            <div class="title">智慧旅游可视化大数据平台</div>
        </div>
        <div class="right">
            <span class="rbtn">统计报告</span>
            <span class="time">当前时间：{{ time }}</span>
        </div>
    </div>
</template>

<script setup lang='ts' name='TopScreen'>
import moment from 'moment';

let time = ref(moment().format('YYYY-MM-DD HH:mm:ss'));
let timer = ref();

onMounted(() => {
    timer.value = setInterval(() => {
        time.value = moment().format('YYYY-MM-DD HH:mm:ss');
    }, 1000);
});

// 组件销毁之前清除定时器
onBeforeUnmount(() => {
    clearInterval(timer.value);
});
</script>

<style scoped lang="scss">
.top {
    width: 100%;
    height: 40px;
    display: flex;

    .left {
        flex: 1.5;
        background: url(../../images/dataScreen-header-left-bg.png) no-repeat;
        background-size: cover;

        .lbtn {
            width: 150px;
            height: 40px;
            float: right;
            background: url(../../images/dataScreen-header-btn-bg-l.png) no-repeat;
            background-size: 100% 100%;
            text-align: center;
            line-height: 40px;
            color: #29fcff;
            font-size: 20px;
            // 鼠标移到时变为手形光标
            cursor: pointer;
        }
    }

    .center {
        flex: 2;

        .title {
            width: 100%;
            height: 74px;
            background: url(../../images/dataScreen-header-center-bg.png) no-repeat;
            background-size: 100% 100%;
            text-align: center;
            line-height: 74px;
            color: #29fcff;
            font-size: 30px;
        }
    }

    .right {
        flex: 1.5;
        background: url(../../images/dataScreen-header-left-bg.png) no-repeat;
        background-size: cover;
        display: flex;
        justify-content: space-between;
        align-items: center;

        .rbtn {
            width: 150px;
            height: 40px;
            float: left;
            background: url(../../images/dataScreen-header-btn-bg-r.png) no-repeat;
            background-size: 100% 100%;
            text-align: center;
            line-height: 40px;
            color: #29fcff;
            font-size: 20px;
            // 鼠标移到时变为手形光标
            cursor: pointer;
        }

        .time {
            color: #29fcff;
            font-size: 18px;
            margin-right: 20px;
        }
    }
}
</style>